The thyroid gland, located in the neck, produces T3 and T4 hormones, which regulate metabolism and energy levels. When this ...

Iron supplements can interact with common medications. It's important to know which medications to avoid taking with iron and how to space them apart properly.

Deer have long been framed as creatures of scent and sound, but new research suggests their forests are streaked with light ...

Japan's long chain of islands supports a surprisingly rich variety of wildlife, created by isolation, mountains, forests, and ...

Added white sugar and other refined carbohydrates can make up to 25% of the nutritional content of foods consumed on a daily ...

Scientists organize millions of proteins by shape, as predicted by AI, revealing 700,000 new families and some shapes unique ...

Overview More than 50 hormones have been identified in the human body, and each has a unique function. Your hormones are chemicals produced by endocrine glands ...

When summer hits, the combination of heat and activity often results in increased sweating. Sweat is great—it's our personal ...

The surgeon who specializes in robotic surgery recommends laparoscopic surgery with three small incisions. He also recommends ...

An estimated 5-15% of people have problems with dry eyes, with symptoms including eye redness, stinging, or burning sensation, and eye fatigue. Dry eye disease (DED) occurs when the eyes' tear glands ...

That said, “natural” deodorants are popular for various reasons. Although they sometimes use different active ingredients ...

A hidden cellular cleanup system may hold the key to healthier tear glands—and new hope for treating dry eye disease.